> To my mind the main obstacle is kind of orthogonal: how do you protect the people who don't want to go, being pressured or manipulated. How often does this a

> To my mind the main obstacle is kind of orthogonal: how do you protect the people who don't want to go, being pressured or manipulated. How often does this actually happen? EDIT: To be clear, I'm not saying this doesn't happen, I'm really asking.